16 saunas
Saunas open 24 hours in Japan
16 saunas in Japan open 24 hours, according to their official hours. Areas include Sannomiya, Nakasu, Kumamoto, Yokohama, Kabukicho, Chiryu. Each page has photos, hours and how to get there, with the address in Japanese.

A kelo-wood hut and a marble hammam

Seven private saunas, seven different worlds

A meditation sauna with a single shaft of light, and Kumamoto groundwater

A 14th-floor sauna linked directly to Yokohama Station

A 24-hour hot spring and sauna in Kabukicho

Three cold baths: 7 °C, 16 °C and 30 °C

Six rooms, six moods — KUDOCHI's first branch

Dive through the cold bath to step outside the room

Six private rooms inspired by a Persian mosque

Moon, ice, El Dorado, sky — seven private rooms of nature

Sauna as art, themed on “imaginary dwellings”

“Miyabi” and “Akatsuki” — two Japanese-themed VIP rooms

A Finnish sauna with a HARVIA stove, and an ice sauna

A 24-hour urban spa with a cold bath 163 cm deep

An outdoor stone bath, a loess sauna and a salt sauna

Hot spring water trucked in from Yugawara, and a hot sauna with löyly every day
